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C'il A. Mum. COMBINATIONA ELECRlC AND GAS HEATER. APPLICATION FILEDJAN.30, 1922.

1,418,667, Mmmm 6,1922,

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- ,2y @977m ffm UNITED STATES PATENT OFFICE.

COMBINATION ELECTRIC ANDl GAS HEATER.

Specification of Letters llatent.` Patented June, 6, 1922.

Application led January 30, 1922. Serial` No. 532,654.

To allwhom t may concern Be it known that I, CARRIE A. MUIR, a citizenof the United States, residing at Los Angeles, in the county of yLosAngeles and State of California, have invented new and usefulImprovements in Combination Electric and Gas Heaters, of which thefollowing is a specication. y

My invention relates to a portable heater for household use, theprincipal objects of my invention being to provide a relatively simple,practical and elicient device that is equipped with heating coils andburners, thereby enabling the heater to be used-wherever electriccurrent or gas are available and further to provide a combinationelectric and gas heater that may be very easily and cheaply produced andwhich will be very effective in performing its intended functions.

Other objects and advantages will appear hereinafter and while I haveshown and will describe the preferred construction, I wish it to beunderstood that I do not limit myself to such preferred form, but thatvarious changes and adaptations may be made without departing from thespirit of my invention as hereinafter set forth in the claims.

In the drawings:

Fig. 1 is a vertical section taken lengthwise through the center of aheater of my improved construction.

Fig. 2 is a horizontal section taken on the line 2 2 of Fig. 1.

Fig. 3 is a detail section of one of the gas burners of the heater.

Fig. 4. is a front elevational view of one of the gas burner tips.

Fig. 5 is a detail plan View of a portion of a ring that is utilized forsupporting the lower ends of the guard wires that surround the body ofthe heater.

Fig. 6 is a cross section on the line 6-6 of Fig. 5.

Referring by numerals to the accompanying drawings 10 designates ahollow bell shaped base in the lower portion of which is arranged aplate 11. Screw seated in the upper end of the base 10 is the lower endof a tube 12, and screw seated on the upper endl of said tube is thelower end of a post 13.

The upper portion of this post supports a disc 14 of sheet metal andarranged above said disc on the post is a small disc 15 that serves as asupport for the upper portions of outwardly bowed guard wires 16.

Disc 15 is retained on the post 13 by a nut 17 lthat is screwed onto theupper ends of said Y and ring. 22, being arranged for rotation beneathsaid ring 21. v

v Secured to the center of plate 11 is a block 211 to which leads a gassupply pipe 25 that passes through base 10 and seated in the top of saidblock 24 is the lower end of a tube 26 that extends upwardly throughtube 12.

The upper end of tube 26 is seated in the center of a four wayconnection 27, the arms of which extend outwardly through slots 28 inthe upper portion of tube 12. Seated in andprojecting upwardly from thecenter of connection 27 is a tube 29, to the upper end of which isconnected a four Way connection 30, the arms of which project throughthe slots 28 in tube 12.

The outer portions of the arms of connections 27 and 30 project throughthe central portions of vertically disposed concave heat reflectingmembers 31, preferably constructed from sheet metal, said members,

being radially arranged about the tube 12 and their upper ends beingconnected to disc 14- adjacent to the edge thereof.

Secured to the outer ends of the arms of connections 27 and 30 bynipples 32 are burner tips 33, each having a plurality of jet apertures34- and arranged within each nipple and between the end of the arm andtip is a section of wire gauze 35 that serves as s strainer.

Secured to each burner tip is the inner portion of a jet deflector 36.

The deflectors on the upper series of nipples are arranged so as todeflect the burning jets of gas upwardly from said nipples and thedeflectors on the lower series of nipples being reversely arranged so asto deect the burning jets of gas downwardly.

Encircling the tube 12 between the members 27 and 30 are rings 37 ofinsulating ma* terial, portions of which extend through openings in themembers 31 and secured to rings and positioned between the nipples 32are brackets 38 that are connected to the exposed heating coils 39 ontubular cores 4() ot' porcelain or like material.

The brackets 3S are insulated from the members 3l and electricallyconnected to said brackets 38 are conductors il that lead downwardlythrough tube l2 and out through an opening in base l0, and whichconductors are adapted to be connected to a suitable source of currentsupply.

is current is turned on through the conductors il the coils 39 willbecome highly heated and the heat will be radiated and thrown outwardlyby the concave members 3l.

Likewise when gas is permitted to low through pipes 25 and 26 said gaswill burn at the tips 33 and the vheat ot said burning gas will beradiatedoutwardly in all directions by the members 3l.

A combination heater of my improved construction is comparativelysimple, may be easily and cheaply produced and provides a very etiicientand convenient heating device that is applicable for use wherever gasand electric current are available.

I claim as my invention:

1. In a heating device, a standard, a series oi concave heat reflectingmembers disposed about said standard, and an electric heating coil and agas burner arranged within each reflecting member.

2. In a vheating device, a hollow standard, a series of heat reflectingmembers disposed about said standard, an electric heating coil and a gasburner disposed within each heat retlectii'xg member, a gas supply tubeleading through the hollow standard to said gas burners and electricconductors leading through said hollow standard to said electric heatingcoils.

3. In a portable heater, a standard, a disc supported by the upperportion of said standard, a series of heat reflecting members arrangedbeneath said disc and disposed about said standard and an electricheating coil and a gas burner 4arranged within each heat reiiectingmember.

e. In a combined electric and gas heater, a standard, a series ofconcave heat reliecting members disposed about said standard, anelectric heating coil arranged adjacent to the center oit eachreflecting member and gas burners arranged within each reflecting memberabove and belowthe electric heating coil therein.

CARRIE A.. MUIR.

